NIT, SINET. Effect of latex coagulated pH on rubber quality ឥទ្ធិពលប៉េហាស់បង្កកទឹកជ័រទៅលើគុណភាពកៅស៊ូ - Phnom Penh RUA 2013 - xiii; 69p. ill. 29cm. Dewey Class. No.: AGR NIT 2013 B054 Or.1